Exam 18: Renewable Energy Resources

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Direct solar energy can be used passivel...

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A) volcanoes
B) geysers
C) hot springs
D) tides
E) deep ocean hydrothermal vents

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A) 75%
B) 50%
C) 25%
D) 10%
E) 0%

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A) is derived from solar energy.
B) is rises is sea surface temperature.
C) is a byproduct of subsurface mining operations.
D) capitalizes on Earth's internal temperature.
E) is generated through earthquakes

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A) fuel cells are less expensive to produce and operate than standard batteries.
B) a fuel cell generates electricity without the need for positive or negative electrodes but batteries have these electrodes.
C) fuel cells produce power as long as they are supplied with fuel whereas batteries store a fixed amount of energy.
D) fuel cells generate small amounts of CO₂ and sulfur oxide emissions compared to the large amounts emitted by standard batteries.
E) fuel cells do not have any advantages over standard batteries

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A) charging batteries.
B) heating hot water heaters.
C) providing refrigeration for vaccines.
D) grinding grain.
E) pumping water.

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A wind farm in the Great Plains would be...

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A) carpooling to work with 3 other people
B) driving by yourself,but at lower than posted speeds
C) driving by yourself in a smaller,more fuel-efficient car
D) driving yourself using a low octane gas in the car
E) driving yourself in a new hybrid car

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A) energy that escapes in an unusable form.
B) energy in bonds broken (minus) energy in bonds formed.
C) using fossil fuels instead of renewable alternative energy.
D) using less energy to accomplish a given task,by using new technology,for example.
E) using less energy by reducing energy use and waste,for example.

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A) fuel cells that directly convert chemical energy into electricity.
B) biomass generators that burn natural materials to generate heat.
C) solar thermal electric generation systems using mirrors or lenses to concentrate sunlight to heat water.
D) passive solar systems that use building design to maximize winter sunlight to heat water.
E) convection solar heating systems that circulate warm air throughout the liquid.

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C

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Solution: Energy efficiency involves ado...

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A) 1 only
B) 2 only
C) 3 only
D) 4 only
E) 2 and 4

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A) television
B) water heater
C) refrigerator
D) washing machine
E) clothes dryer

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A) improve insulation.
B) install double paned windows.
C) keep a beverage refrigerator in the garage.
D) use thermal lined curtains.
E) caulk cracks on exterior of home.

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A) diminish reliance on fossil fuel systems.
B) reduce the potential of global warming.
C) do not have any moving parts.
D) concentrate the sun's energy.
E) do not produce any air pollution.

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A) directly converting sunlight into electricity.
B) minimal maintenance.
C) producing no pollution.
D) functioning on cloudy or rainy days.
E) minimal space requirement for large-scale use.

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A) direct solar input
B) propane
C) oxygen
D) uranium
E) hydrogen

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A) setting the thermostat on the hot water heater lower : energy conservation
B) turning off lights when a room is not in use : energy conservation
C) replacing incandescent bulbs with compact fluorescent : energy efficiency
D) "superinsulating" a building : energy efficiency
E) installing a new condensing furnace to replace a conventional gas furnace : energy conservation

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E